摘要:
The invention provides an optoelectronic device combining a vertical cavity surface emitting laser (VCSEL) and a photodetector for monitoring the output power of the vertical cavity surface emitting laser. To improve the signal-to-noise ratio of the photodetector, a light deflector is interposed between the photodetector and the VCSEL.
摘要:
Disclosed are methods and kits for identifying a virus in a sample, which may include a coronavirus capable of causing Severe Acute Respiratory Syndrome (“SARS”) or SARS-like symptoms. The virus may be a SARS-Associated Coronavirus (“SARS-CoV”). Typically, the methods may include reacting a mixture that includes, in addition to nucleic acid isolated from the sample, at least one oligonucleotide capable of specifically hybridizing to SARS-CoV nucleic acid where the oligonucleotide includes at least one non-natural base. In addition, the mixture may include control nucleic acid.
摘要:
A magnetic recording disk drive uses a phase-quadrature position-error-signal (PES) pattern and a servo signal demodulator that is insensitive to clock errors and phase-misalignment errors. The disk has angularly-spaced servo sectors, with each servo sector having radially-spaced servo tracks that contain a phase-quadrature pattern of servo blocks. A first band in each servo sector contains two generally like patterns radially-spaced in the servo track with the second pattern phase-shifted 90 degrees along-the-track from the first pattern. A second band in each servo sector is spaced along-the-track from the first band and also has two patterns like those in the first band, but with the phase shift of the second pattern being in the opposite direction to the phase shift of the second pattern in the first band. The demodulator calculates the true amplitudes of the servo signal from the measured amplitudes of the servo signals from each band to thereby remove clock errors and phase-misalignment errors.
摘要:
A method for checking the integrity of GPS measurements for a moving vehicle includes determining a first inter-vehicle distance between a first vehicle and a second vehicle based on GPS measurements obtained at both vehicles, independently determining a second inter-vehicle distance based on relative motion of the first vehicle and the second vehicle obtained using INS sensors at both vehicles, and comparing the the first and second inter-vehicle distances. The integrity of the GPS measurements are checked if the first and second inter-vehicle distances are nearly equivalent. Methods for error detection and for mapping GPS multipath levels at each point in a vicinity for an entire range of satellite constellations are also described.
摘要:
A method is disclosed in which the principle of phase-coupling is used to stabilize the polarization of laser radiation emitted by a plurality of phase-coupled vertical cavity surface emitting laser elements. Due to a suitable coupling strength between adjacent VCSEL elements, the probability of polarization flips of VCSEL devices operated in the single mode region is zero or at least drastically reduced. Moreover, a VCSEL device is disclosed, comprising a polarization adjusting means for controlling the polarization direction of an arrangement of a plurality of phase-coupled VCSEL elements, wherein the polarization direction of each VCSEL element is substantially kept constant.
摘要:
The invention relates to a device for conducting a cooling fluid for cooling an electrical component. The device comprises a fluid conducting chamber for conducting the cooling fluid, and an at least partially flexible cover, which seals the fluid conducting chamber in a fluid-tight manner and which forms a heat transmission zone for conducting heat between the cooling fluid and the electrical component.
摘要:
An invention is disclosed for improved computer system management by allowing complex computer-monitored events to be handled in different formats for correlation, analysis and action. Specifically, a method and system are disclosed for processing multiple heterogeneous event types in a complex event processing (CEP) engine.
摘要:
The invention relates to a device for conducting a cooling fluid for cooling an electrical component. The device comprises a fluid conducting chamber for conducting the cooling fluid, and an at least partially flexible cover, which seals the fluid conducting chamber in a fluid-tight manner and which forms a heat transmission zone for conducting heat between the cooling fluid and the electrical component.
摘要:
The present invention relates to an energy store device, comprising a plurality of cooling channels, which are disposed in a plane spaced apart from each other substantially parallel to each other and designed for a cooling fluid to flow through them, at least one collection box, which is disposed in the plane with and substantially perpendicular to the plurality of cooling channels and is connected thereto to take up the cooling fluid therefrom or release it therein, and with a stack composed of a plurality of electrochemical energy store units, which are disposed such that between two adjacent cooling channels of the plurality of cooling channels at least one energy store unit from the plurality of electrochemical energy store units is disposed, respectively.
摘要:
The invention provides a method, system, and program product for dispatching an event to a rule. In one embodiment, the invention includes generating a table from a rule set, wherein the table includes an indication of whether each rule in the rule set corresponds to at least one event type; receiving an event; in the case that a plurality of rules in the rule set correspond to an event type of the event, dispatching the event to the plurality of rules; determining that the event should not be processed by at least one of the plurality of rules; and terminating the dispatching of the event.